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Helvetas -Nugegoda, LK

Nugegoda, L.K.Helvetas - & Moratuwa, L.K.Sarvodaya, 1994. Design, construction and standardisation of gravity water supply systems in rural villages in Sri Lanka, Nugegoda, Sri Lanka: Helvetas, Swiss Association for Development and Cooperation. Available at: https://pt.ircwash.org/sites/default/files/221-99DE-14731.pdf.

Published on: 30/12/2004

Nugegoda, L.K.Helvetas - & Moratuwa, L.K.Sarvodaya, 1994. Construction of hand-dug well in rural villages in Sri Lanka, Nugegoda, Sri Lanka: Helvetas, Swiss Association for Development and Cooperation. Available at: https://pt.ircwash.org/sites/default/files/212.5-94CO-14271.pdf.

Published on: 01/01/1970

Nugegoda, L.K.Helvetas - & Moratuwa, L.K.Sarvodaya, 1994. Construction of latrines in rural villages in Sri Lanka, Nugegoda, Sri Lanka: Helvetas, Swiss Association for Development and Cooperation. Available at: https://pt.ircwash.org/sites/default/files/320-94CO-14272.pdf.

Published on: 30/12/2004

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